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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/03/02 23:38:20 UTC
[GitHub] [incubator-mxnet] leezu opened a new issue #17743:
mshadow::bfloat::bf16_t triggers Wclass-memaccess
leezu opened a new issue #17743: mshadow::bfloat::bf16_t triggers Wclass-memaccess
URL: https://github.com/apache/incubator-mxnet/issues/17743
Warning triggered by GCC 8.
@rongzha1 @pengzhao-intel
`../include/mshadow/./tensor_cpu-inl.h:133:11: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘class mshadow::bfloat::bf16_t’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]`
` memcpy(_dst.dptr_, _src.dptr_, sizeof(DType) * _dst.shape_.Size());`
https://github.com/apache/incubator-mxnet/blob/c2e9a885683774f229eebdcf2699f51bc3afb3d9/3rdparty/mshadow/mshadow/bfloat.h#L111-L129
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[GitHub] [incubator-mxnet] leezu closed issue #17743: bf16_t and half_t
trigger Wclass-memaccess
Posted by GitBox <gi...@apache.org>.
leezu closed issue #17743: bf16_t and half_t trigger Wclass-memaccess
URL: https://github.com/apache/incubator-mxnet/issues/17743
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[GitHub] [incubator-mxnet] leezu commented on issue #17743: bf16_t and
half_t trigger Wclass-memaccess
Posted by GitBox <gi...@apache.org>.
leezu commented on issue #17743: bf16_t and half_t trigger Wclass-memaccess
URL: https://github.com/apache/incubator-mxnet/issues/17743#issuecomment-593693257
Actually this warning should be triggered for all DTypes. Not sure why gcc doesn't do it. It's a fundamental problem with mshadow, so let's just ignore the warning.
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